/**
* Copyright (c) 2010, Attila Magyar
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the Attila Magyar nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.uftp.log;

import java.util.Hashtable;

/**
 *
 * @author Zeroflag
 */
public class FTPLogManager {
    
    private static Hashtable loggers;
    private static FTPLogger defaultLogger;
    
    static {
        loggers = new Hashtable();        
        register( "default", DefaultLogger.class );
        setDefaultLogger( "default" );
    }
    
    public static FTPLogger getDefaultLogger( String namespace ) {
        defaultLogger.init( namespace );
        return defaultLogger;
    }
    
    public static void setDefaultLogger( FTPLogger logger ) {
        defaultLogger = logger;
    }
    
    public static void setDefaultLogger( String loggerName ) {        
        try {
            Class clazz = (Class)loggers.get( loggerName );
            defaultLogger = (FTPLogger) clazz.newInstance();        
        } catch (IllegalAccessException ex) {            
            throw new RuntimeException( "Can not instantiate logger: " + loggerName );
        } catch (InstantiationException ex) {
            throw new RuntimeException( "Can not initialize logger: " + loggerName );
        }        
    }    
        
    public static FTPLogger getLoggerByName( String loggerName, String namespace ) {        
                
        try {            
            Class clazz = (Class)loggers.get( loggerName );
            if ( clazz == null ) {
                throw new RuntimeException( "Logger not found: " + loggerName );    
            }
            FTPLogger lg = (FTPLogger) clazz.newInstance();
            lg.init( namespace );
            return lg;
        } catch (InstantiationException ex) {
            throw new RuntimeException( "Can not instantiate logger: " + loggerName );
        } catch (IllegalAccessException ex) {            
            throw new RuntimeException( "Can not initialize logger: " + loggerName );
        }
    }
    
    public static void register( String loggerName, Class ftpLogger ) {
        loggers.put( loggerName, ftpLogger );
    }
}
